Get membership object from user id function get_membership($user_id) { return wc_memberships()->get_user_memberships_instance()->get_user_memberships( $user_id )[0] ??null; } Get member id from user id function get_member_id($user_id) { if (get_membership($user_id)) return get_membership($user_id)->get_id(); else return null; } Get subscription id from member id function get_subscription_id($member_id) {      $subscription_id = get_post_meta( $member_id, ‘_subscription_id’, true );      return $subscription_id; } … woocommerce membership and subscription plugin snippet